#641B7B#641B7B

#641B7B is a dark, vivid purple. Relative luminance 0.049; OKLCH L 38.7% C 0.159 H 316.6°. Best body text is #FFFFFF at 10.58:1 contrast (WCAG AA passes).

Color values

HEX	#641B7B
RGB	rgb(100, 27, 123)
HSL	hsl(286, 64%, 29%)
HSV	hsv(286, 78%, 48%)
CMYK	cmyk(18.7%, 78%, 0%, 51.8%)
CIE-LAB	lab(26.52, 46.50, -38.85)
CIE-LCH	lch(26.52, 60.59, 320.12°)
OKLab	oklab(38.72% 0.1155 -0.1094)
OKLCH	oklch(38.72% 0.159 316.6)
XYZ	xyz(9.2221, 4.9236, 19.1996)
Luminance	0.0492 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641B7B #327B1B

analogous

#341B7B #641B7B #7B1B62

triadic

#641B7B #7B641B #1B7B64

tetradic

#641B7B #7B341B #327B1B #1B627B

square

#641B7B #7B341B #327B1B #1B627B

split-complementary

#641B7B #627B1B #1B7B34

monochromatic

#140619 #3B1049 #641B7B #8D26AD #B03CD4

Accessibility & contrast

On white

10.58

#641B7B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#641B7B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641B7B

10.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641B7B	#FFFFFF	#000000	##FFFFFF
##641B7B	1.00	10.58	1.98	10.58
#FFFFFF	10.58	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A7E

Deuteranopia (green-blind)

#1B4179

Tritanopia (blue-blind)

#63304A

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #641b7b;
/* rgb */ color: rgb(100, 27, 123);
/* oklch */ color: oklch(38.7% 0.159 316.6);

Tailwind

colors: {
  custom: {
    50: '#9460a2',
    500: '#641b7b',
    950: '#000000',
  },
}

SCSS

$custom: #641b7b;
$custom-light: #9460a2;
$custom-dark: #000000;

JSON

{
  "hex": "#641b7b",
  "rgb": {
    "r": 100,
    "g": 27,
    "b": 123
  },
  "hsl": {
    "h": 285.625,
    "s": 64,
    "l": 29.412
  },
  "oklch": {
    "l": 0.38719,
    "c": 0.1591,
    "h": 316.6
  },
  "luminance": 0.04923
}

Semantic roles & 50–950 ramp

primary

#641B7B

secondary

#5DAF43

accent

#E74169

background

#F9F5FA

surface

#F2EAF3

border

#CCC6CD

text

#0E050F

muted

#7E797F

Preview Lab

Preview with #641B7B

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →